#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
  string s; cin >> s;
  int n = s.size();
  map<string,int> mp;
  deque<char> deq;
  for(int i = 0; i < (1<<n); i++){
    for(int k = 0; k < n; k++) deq.push_back(s[k]);
    string t;
    for(int j = 0; j < n; j++){
      if(((i>>j)&1)>0){
        char c = deq.front();
        t += c;
        deq.pop_front();
      }else{
        char d = deq.back();
        t += d;
        deq.pop_back();
      }
    }
    mp[t]++;
  }
  int ans = 0;
  for(auto x : mp){
    if(x.second>=1) ans++;
  }
  cout << ans << endl;
  return 0;
}